Maysville Region. Water & Sewer District, IN
Exceeded the action level in the past
Latest 90th-percentile lead: 4.88 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
About Maysville Region. Water & Sewer District
Maysville Region. Water & Sewer District serves about 1,634 people through 495 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Allen County, Indiana. EPA system ID: IN5202037; phone on file: 260-657-1552. They can tell you what your service line is made of and whether they pay to replace it.
Maysville Region. Water & Sewer District's lead record
That is up 1.11 ppb from 3.77 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Maysville Region. Water & Sewer District is 15.5 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4.88 ppb |
| 2024 | 3.77 ppb |
| 2024 | 15.5 ppb over 15 |
| 2021 | 1.3 ppb |
| 2018 | 0.7 ppb |
Against other Indiana systems
Of the 687 Indiana systems with a lead result, the median latest reading is 1.31 ppb; 6 are over 15 ppb right now and 36 have gone over at some point. Maysville Region. Water & Sewer District's 4.88 ppb sits at the 89th percentile in Indiana and the 90th nationally (higher means more lead).
Nearby utilities
9 other systems share Allen County; 1 of them has a higher latest lead result than Maysville Region. Water & Sewer District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Fort Wayne - 3 Rivers Filtration Plant | 269,994 | 2.62 ppb |
| New Haven Water Department | 15,700 | 2.95 ppb |
| Huntertown Water Works | 14,058 | 0 (not detected) |
| Pioneer Water L.L.C. | 2,076 | 1.57 ppb |
| Woodburn Water Works | 1,609 | - |
| Monroeville Water Works | 1,400 | 1.42 ppb |
| Grabill Water Works | 1,163 | 58.6 ppb |
| Sunnymede Community Association Water | 473 | 0 (not detected) |
| Grayfox Public Water Supply | 118 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Harlan, IN may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Maysville Region. Water & Sewer District whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. Why an old exceedance still matters: over the limit before, under it now.